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[Bluegrass Wood Burner]

I'm struggling with sap and soot build up. This morning I went out and found my draft flapper stuck shut with creosote sap and fire gone out. My boiler is for 8000 sq ft and I'm heating 5400 so it's overkill. The problem is this time of year when it's warm during day it's not calling for heat very often . Is there a secret to fixing this other than to Try and burn dryer wood. My wood is mostly 8 months to 1 1/2 years old. Any of you guys experience this and found a way to keep the flapper free.

[mlappin]

How full do you load it normally? 12 or 24 hour burn times? Loading it for 12 hour burns should help a little if your loading for 24 now.

[Bluegrass Wood Burner]

I'll try to cut back on how much wood I'm putting in at a time. The thing has a huge firebox and a 12 hour burn requires a small pile in it. Looks kinda weird, but if it helps my sticking problem it's fine with me.

[hondaracer2oo4]

You will use the least amount of wood over the season and get the least problems with creosote by loading for 12 hour intervals.

[hrc200x]

Had the same problem on a heatmor 200 the first year I used it. Too warm during the day the stove wouldn't call for heat enough and the flapper door stuck open one time and stuck closed other times. I lowered the differential to 5 degrees rather than 15 seemed to help. It would cause the fan to come on more and keep the flapper moving more during the day to keep the creosote scraped off. This is my 3rd year on the stove and by this time the last 2 years I had already been using the stove for 2-3 weeks, now I'm using the fuel oil boiler in the house at least until temps get below freezing at night. I put the differential back up to 15 when winter gets here.

[d conover]

Still pretty warm here in southeast Mo.   
My Hardy may be entirely different than your boiler, but for this kind of weather I have learned to put the worst wood I can find in it along with good solid wood.  By that I mean the pithy super dry stuff that is next to rotten. It will lay there and smolder and when the fan kicks on it will keep the better wood going.

[Bluegrass Wood Burner]

Thanks for the good advice there hd-5. Hate to say it but I kinda wish the weather were a little colder. And then I'll be wishing for this kinda weather about a month from now

[Bluegrass Wood Burner]

82 degrees here in key. I'm struggling to keep my stove from going out. Got the dryest wood I have in there. Forecast says tomorrow will fix all this problem. Forecast tomorrow 49/28. Problem solved